Biology

Newly discovered “eye cycle” reveals how cells get their energy

City birds are twice as likely to survive the winter than their country cousins

Loops form and disappear to allow genes to interact

New law would allow commercial planting of transgenic varieties

DNA inherited from interbreeding may influence diseases

A Q&A with an expert about the growing threat—and what can be done about it

Parasite resistance spreads using an infection-blocking protein and "weaponized" bacteria

Progress in monkey testing buoys hopes for human trials

The complex factors behind vaccine breakdowns are coming into sharper focus

CRISPR work highlights differences in human and mouse development

Focus on risk gene could illuminate the illness’s origins

Intestinal bugs may cause the immune system to turn against nerve cells

Spending bill directs National Institutes of Health to study collecting tissue from miscarriages and stillbirths

A molecule stimulates bone formation in mice on high-fat diets

Artificially heating the Antarctic seabed led to the domination of moss animals

Preprint paper questions mechanisms behind embryos’ genetic repair